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azamat
3 years ago
6

Solve the following system of equations. 4x+9y=-23 2x+3y=-7 With multiplication

Mathematics
1 answer:
Sloan [31]3 years ago
5 0

Answer:

if it is 1 equation then it will be 8x+12y-16

Step-by-step explanation:

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Describe how you could use algebraic operations to solve the equation 1 = -3x + 4
Anna11 [10]

Answer:

x=1

Step-by-step explanation:

3x=4-1

3x=3

x=1

3 0
3 years ago
The table shows the relationship
Airida [17]

The linear relationship which exists between the change in weight and number of days of hibernation in a hedgedog can be modeled using the equation y = - 0.03 + 0

  • Change in weight per day of hibernation = - 0.03
  • Change in weight for 115 days = - 3.45 ounces

A linear model can be created using the data in the table given using a regression calculator or excel ;

The linear model obtained in the form y = m + bx is :

  • y = - 0.03x + 0
  • y = change in weight
  • x = number of days of hibernation
  • Intercept = 0
  • Slope = -0.03

  • The slope value of the function gives the change in weight value per number of days of hibernation ; which is -0.03.

  • Using the regression equation, substitute, the vlaue of x = 115
  • -0.03(115) + 0 = - 3.45

Therefore, the change in weight after 115 days of hibernation is - 3.45 ounces.

Learn more :brainly.com/question/18405415

8 0
2 years ago
How Ro U Sovle This Problem Bc I Don't Know How?
marissa [1.9K]
You would have to transform the fractions to decimals by dividing. For the first one, if you divide 4 by 5 you get .8. To transform a decimal to percent you move the decimal place 2 times to the right or multiply by 100 (They both would give you the same thing)
3 0
3 years ago
The perimeter of a rectangular skating rink is 530 feet. If the length is 5 feet more than 3 times the
vladimir2022 [97]

Answer:

length:  200

width:  65

Step-by-step explanation:

length:  3w + 5

width:  w

perimeter = 2L + 2W

530 = 2(3w + 5) + 2w

530 = 6w + 10 + 2w

530 = 8w + 10

520 = 8w

w = 65

length:  3w + 5 = 3(65) + 5 = 200

width:  w = 65

8 0
3 years ago
There are 451 children in Lia's school. Write a number greater than 451
fiasKO [112]
452, 453, 454, 456, etc.
8 0
3 years ago
Read 2 more answers
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